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Commit | Line | Data |
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5dfa25f2 | 1 | /* |
8bde7f77 | 2 | * (C) Copyright 2000-2003 |
5dfa25f2 WD |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
4 | * | |
5 | * See file CREDITS for list of people who contributed to this | |
6 | * project. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation; either version 2 of | |
11 | * the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
21 | * MA 02111-1307 USA | |
22 | */ | |
23 | ||
24 | /* | |
25 | * Command Processor Table | |
26 | */ | |
27 | ||
28 | #include <common.h> | |
29 | #include <command.h> | |
5dfa25f2 WD |
30 | |
31 | int | |
32 | do_version (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
33 | { | |
34 | extern char version_string[]; | |
35 | printf ("\n%s\n", version_string); | |
36 | return 0; | |
37 | } | |
38 | ||
0d498393 WD |
39 | U_BOOT_CMD( |
40 | version, 1, 1, do_version, | |
53677ef1 | 41 | "version - print monitor version\n", |
b0fce99b WD |
42 | NULL |
43 | ); | |
44 | ||
c3517f91 | 45 | #if defined(CONFIG_CMD_ECHO) |
953c5b6f | 46 | |
5dfa25f2 WD |
47 | int |
48 | do_echo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
49 | { | |
50 | int i, putnl = 1; | |
51 | ||
52 | for (i = 1; i < argc; i++) { | |
53 | char *p = argv[i], c; | |
54 | ||
55 | if (i > 1) | |
56 | putc(' '); | |
71f95118 | 57 | while ((c = *p++) != '\0') { |
5dfa25f2 WD |
58 | if (c == '\\' && *p == 'c') { |
59 | putnl = 0; | |
60 | p++; | |
71f95118 | 61 | } else { |
5dfa25f2 | 62 | putc(c); |
71f95118 WD |
63 | } |
64 | } | |
5dfa25f2 WD |
65 | } |
66 | ||
67 | if (putnl) | |
68 | putc('\n'); | |
69 | return 0; | |
70 | } | |
71 | ||
0d498393 | 72 | U_BOOT_CMD( |
6d0f6bcf | 73 | echo, CONFIG_SYS_MAXARGS, 1, do_echo, |
53677ef1 WD |
74 | "echo - echo args to console\n", |
75 | "[args..]\n" | |
b0fce99b WD |
76 | " - echo args to console; \\c suppresses newline\n" |
77 | ); | |
78 | ||
90253178 | 79 | #endif |
953c5b6f | 80 | |
6d0f6bcf | 81 | #ifdef CONFIG_SYS_HUSH_PARSER |
c26e454d WD |
82 | |
83 | int | |
84 | do_test (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
85 | { | |
86 | char **ap; | |
87 | int left, adv, expr, last_expr, neg, last_cmp; | |
88 | ||
89 | /* args? */ | |
90 | if (argc < 3) | |
91 | return 1; | |
92 | ||
93 | #if 0 | |
94 | { | |
95 | printf("test:"); | |
6e592385 | 96 | left = 1; |
c26e454d WD |
97 | while (argv[left]) |
98 | printf(" %s", argv[left++]); | |
99 | } | |
100 | #endif | |
6e592385 | 101 | |
c26e454d WD |
102 | last_expr = 0; |
103 | left = argc - 1; ap = argv + 1; | |
104 | if (left > 0 && strcmp(ap[0], "!") == 0) { | |
105 | neg = 1; | |
106 | ap++; | |
107 | left--; | |
108 | } else | |
109 | neg = 0; | |
110 | ||
111 | expr = -1; | |
112 | last_cmp = -1; | |
113 | last_expr = -1; | |
114 | while (left > 0) { | |
115 | ||
116 | if (strcmp(ap[0], "-o") == 0 || strcmp(ap[0], "-a") == 0) | |
117 | adv = 1; | |
118 | else if (strcmp(ap[0], "-z") == 0 || strcmp(ap[0], "-n") == 0) | |
119 | adv = 2; | |
120 | else | |
121 | adv = 3; | |
122 | ||
123 | if (left < adv) { | |
124 | expr = 1; | |
125 | break; | |
126 | } | |
127 | ||
128 | if (adv == 1) { | |
129 | if (strcmp(ap[0], "-o") == 0) { | |
130 | last_expr = expr; | |
131 | last_cmp = 0; | |
132 | } else if (strcmp(ap[0], "-a") == 0) { | |
133 | last_expr = expr; | |
134 | last_cmp = 1; | |
135 | } else { | |
136 | expr = 1; | |
137 | break; | |
138 | } | |
139 | } | |
140 | ||
141 | if (adv == 2) { | |
142 | if (strcmp(ap[0], "-z") == 0) | |
c26e454d | 143 | expr = strlen(ap[1]) == 0 ? 1 : 0; |
20787e23 WD |
144 | else if (strcmp(ap[0], "-n") == 0) |
145 | expr = strlen(ap[1]) == 0 ? 0 : 1; | |
c26e454d WD |
146 | else { |
147 | expr = 1; | |
148 | break; | |
149 | } | |
150 | ||
151 | if (last_cmp == 0) | |
152 | expr = last_expr || expr; | |
153 | else if (last_cmp == 1) | |
154 | expr = last_expr && expr; | |
155 | last_cmp = -1; | |
156 | } | |
157 | ||
158 | if (adv == 3) { | |
159 | if (strcmp(ap[1], "=") == 0) | |
160 | expr = strcmp(ap[0], ap[2]) == 0; | |
161 | else if (strcmp(ap[1], "!=") == 0) | |
162 | expr = strcmp(ap[0], ap[2]) != 0; | |
163 | else if (strcmp(ap[1], ">") == 0) | |
164 | expr = strcmp(ap[0], ap[2]) > 0; | |
165 | else if (strcmp(ap[1], "<") == 0) | |
166 | expr = strcmp(ap[0], ap[2]) < 0; | |
167 | else if (strcmp(ap[1], "-eq") == 0) | |
168 | expr = simple_strtol(ap[0], NULL, 10) == simple_strtol(ap[2], NULL, 10); | |
169 | else if (strcmp(ap[1], "-ne") == 0) | |
170 | expr = simple_strtol(ap[0], NULL, 10) != simple_strtol(ap[2], NULL, 10); | |
171 | else if (strcmp(ap[1], "-lt") == 0) | |
172 | expr = simple_strtol(ap[0], NULL, 10) < simple_strtol(ap[2], NULL, 10); | |
173 | else if (strcmp(ap[1], "-le") == 0) | |
174 | expr = simple_strtol(ap[0], NULL, 10) <= simple_strtol(ap[2], NULL, 10); | |
175 | else if (strcmp(ap[1], "-gt") == 0) | |
176 | expr = simple_strtol(ap[0], NULL, 10) > simple_strtol(ap[2], NULL, 10); | |
177 | else if (strcmp(ap[1], "-ge") == 0) | |
178 | expr = simple_strtol(ap[0], NULL, 10) >= simple_strtol(ap[2], NULL, 10); | |
179 | else { | |
180 | expr = 1; | |
181 | break; | |
182 | } | |
183 | ||
184 | if (last_cmp == 0) | |
185 | expr = last_expr || expr; | |
186 | else if (last_cmp == 1) | |
187 | expr = last_expr && expr; | |
188 | last_cmp = -1; | |
189 | } | |
190 | ||
191 | ap += adv; left -= adv; | |
192 | } | |
193 | ||
194 | if (neg) | |
195 | expr = !expr; | |
196 | ||
197 | expr = !expr; | |
198 | ||
53677ef1 | 199 | debug (": returns %d\n", expr); |
c26e454d WD |
200 | |
201 | return expr; | |
202 | } | |
203 | ||
204 | U_BOOT_CMD( | |
6d0f6bcf | 205 | test, CONFIG_SYS_MAXARGS, 1, do_test, |
53677ef1 WD |
206 | "test - minimal test like /bin/sh\n", |
207 | "[args..]\n" | |
c26e454d WD |
208 | " - test functionality\n" |
209 | ); | |
210 | ||
211 | int | |
212 | do_exit (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
213 | { | |
214 | int r; | |
215 | ||
216 | r = 0; | |
217 | if (argc > 1) | |
218 | r = simple_strtoul(argv[1], NULL, 10); | |
219 | ||
220 | return -r - 2; | |
221 | } | |
222 | ||
223 | U_BOOT_CMD( | |
224 | exit, 2, 1, do_exit, | |
53677ef1 | 225 | "exit - exit script\n", |
c26e454d WD |
226 | " - exit functionality\n" |
227 | ); | |
228 | ||
229 | ||
230 | #endif | |
231 | ||
5dfa25f2 WD |
232 | /* |
233 | * Use puts() instead of printf() to avoid printf buffer overflow | |
234 | * for long help messages | |
235 | */ | |
8bde7f77 | 236 | int do_help (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) |
5dfa25f2 WD |
237 | { |
238 | int i; | |
239 | int rcode = 0; | |
240 | ||
8bde7f77 WD |
241 | if (argc == 1) { /*show list of commands */ |
242 | ||
9d2b18a0 WD |
243 | int cmd_items = &__u_boot_cmd_end - |
244 | &__u_boot_cmd_start; /* pointer arith! */ | |
245 | cmd_tbl_t *cmd_array[cmd_items]; | |
246 | int i, j, swaps; | |
247 | ||
248 | /* Make array of commands from .uboot_cmd section */ | |
249 | cmdtp = &__u_boot_cmd_start; | |
250 | for (i = 0; i < cmd_items; i++) { | |
251 | cmd_array[i] = cmdtp++; | |
8bde7f77 | 252 | } |
8bde7f77 | 253 | |
9d2b18a0 WD |
254 | /* Sort command list (trivial bubble sort) */ |
255 | for (i = cmd_items - 1; i > 0; --i) { | |
256 | swaps = 0; | |
257 | for (j = 0; j < i; ++j) { | |
258 | if (strcmp (cmd_array[j]->name, | |
259 | cmd_array[j + 1]->name) > 0) { | |
260 | cmd_tbl_t *tmp; | |
261 | tmp = cmd_array[j]; | |
262 | cmd_array[j] = cmd_array[j + 1]; | |
263 | cmd_array[j + 1] = tmp; | |
264 | ++swaps; | |
265 | } | |
8bde7f77 | 266 | } |
9d2b18a0 WD |
267 | if (!swaps) |
268 | break; | |
8bde7f77 | 269 | } |
5dfa25f2 | 270 | |
8bde7f77 | 271 | /* print short help (usage) */ |
9d2b18a0 WD |
272 | for (i = 0; i < cmd_items; i++) { |
273 | const char *usage = cmd_array[i]->usage; | |
274 | ||
5dfa25f2 | 275 | /* allow user abort */ |
8bde7f77 | 276 | if (ctrlc ()) |
5dfa25f2 | 277 | return 1; |
9d2b18a0 | 278 | if (usage == NULL) |
5dfa25f2 | 279 | continue; |
9d2b18a0 | 280 | puts (usage); |
5dfa25f2 | 281 | } |
5dfa25f2 WD |
282 | return 0; |
283 | } | |
5dfa25f2 WD |
284 | /* |
285 | * command help (long version) | |
286 | */ | |
8bde7f77 WD |
287 | for (i = 1; i < argc; ++i) { |
288 | if ((cmdtp = find_cmd (argv[i])) != NULL) { | |
6d0f6bcf | 289 | #ifdef CONFIG_SYS_LONGHELP |
5dfa25f2 WD |
290 | /* found - print (long) help info */ |
291 | puts (cmdtp->name); | |
292 | putc (' '); | |
293 | if (cmdtp->help) { | |
294 | puts (cmdtp->help); | |
295 | } else { | |
296 | puts ("- No help available.\n"); | |
297 | rcode = 1; | |
298 | } | |
299 | putc ('\n'); | |
300 | #else /* no long help available */ | |
301 | if (cmdtp->usage) | |
302 | puts (cmdtp->usage); | |
6d0f6bcf | 303 | #endif /* CONFIG_SYS_LONGHELP */ |
71f95118 | 304 | } else { |
5dfa25f2 WD |
305 | printf ("Unknown command '%s' - try 'help'" |
306 | " without arguments for list of all" | |
8bde7f77 WD |
307 | " known commands\n\n", argv[i] |
308 | ); | |
5dfa25f2 WD |
309 | rcode = 1; |
310 | } | |
311 | } | |
312 | return rcode; | |
313 | } | |
314 | ||
8bde7f77 | 315 | |
0d498393 | 316 | U_BOOT_CMD( |
6d0f6bcf | 317 | help, CONFIG_SYS_MAXARGS, 1, do_help, |
53677ef1 WD |
318 | "help - print online help\n", |
319 | "[command ...]\n" | |
320 | " - show help information (for 'command')\n" | |
321 | "'help' prints online help for the monitor commands.\n\n" | |
322 | "Without arguments, it prints a short usage message for all commands.\n\n" | |
323 | "To get detailed help information for specific commands you can type\n" | |
8bde7f77 WD |
324 | "'help' with one or more command names as arguments.\n" |
325 | ); | |
326 | ||
0d498393 | 327 | /* This do not ust the U_BOOT_CMD macro as ? can't be used in symbol names */ |
6d0f6bcf | 328 | #ifdef CONFIG_SYS_LONGHELP |
0d498393 | 329 | cmd_tbl_t __u_boot_cmd_question_mark Struct_Section = { |
6d0f6bcf | 330 | "?", CONFIG_SYS_MAXARGS, 1, do_help, |
53677ef1 | 331 | "? - alias for 'help'\n", |
8bde7f77 | 332 | NULL |
0d498393 WD |
333 | }; |
334 | #else | |
335 | cmd_tbl_t __u_boot_cmd_question_mark Struct_Section = { | |
6d0f6bcf | 336 | "?", CONFIG_SYS_MAXARGS, 1, do_help, |
53677ef1 | 337 | "? - alias for 'help'\n" |
0d498393 | 338 | }; |
6d0f6bcf | 339 | #endif /* CONFIG_SYS_LONGHELP */ |
8bde7f77 | 340 | |
5dfa25f2 WD |
341 | /*************************************************************************** |
342 | * find command table entry for a command | |
343 | */ | |
b799cb4c | 344 | cmd_tbl_t *find_cmd_tbl (const char *cmd, cmd_tbl_t *table, int table_len) |
5dfa25f2 WD |
345 | { |
346 | cmd_tbl_t *cmdtp; | |
b799cb4c | 347 | cmd_tbl_t *cmdtp_temp = table; /*Init value */ |
9d2b18a0 WD |
348 | const char *p; |
349 | int len; | |
350 | int n_found = 0; | |
351 | ||
352 | /* | |
353 | * Some commands allow length modifiers (like "cp.b"); | |
354 | * compare command name only until first dot. | |
355 | */ | |
356 | len = ((p = strchr(cmd, '.')) == NULL) ? strlen (cmd) : (p - cmd); | |
357 | ||
b799cb4c KG |
358 | for (cmdtp = table; |
359 | cmdtp != table + table_len; | |
9d2b18a0 WD |
360 | cmdtp++) { |
361 | if (strncmp (cmd, cmdtp->name, len) == 0) { | |
362 | if (len == strlen (cmdtp->name)) | |
363 | return cmdtp; /* full match */ | |
364 | ||
365 | cmdtp_temp = cmdtp; /* abbreviated command ? */ | |
366 | n_found++; | |
367 | } | |
5dfa25f2 | 368 | } |
9d2b18a0 | 369 | if (n_found == 1) { /* exactly one match */ |
8bde7f77 | 370 | return cmdtp_temp; |
9d2b18a0 | 371 | } |
5dfa25f2 | 372 | |
9d2b18a0 | 373 | return NULL; /* not found or ambiguous command */ |
8bde7f77 | 374 | } |
04a85b3b | 375 | |
b799cb4c KG |
376 | cmd_tbl_t *find_cmd (const char *cmd) |
377 | { | |
378 | int len = &__u_boot_cmd_end - &__u_boot_cmd_start; | |
379 | return find_cmd_tbl(cmd, &__u_boot_cmd_start, len); | |
380 | } | |
381 | ||
04a85b3b WD |
382 | #ifdef CONFIG_AUTO_COMPLETE |
383 | ||
384 | int var_complete(int argc, char *argv[], char last_char, int maxv, char *cmdv[]) | |
385 | { | |
386 | static char tmp_buf[512]; | |
387 | int space; | |
388 | ||
389 | space = last_char == '\0' || last_char == ' ' || last_char == '\t'; | |
390 | ||
391 | if (space && argc == 1) | |
392 | return env_complete("", maxv, cmdv, sizeof(tmp_buf), tmp_buf); | |
393 | ||
394 | if (!space && argc == 2) | |
395 | return env_complete(argv[1], maxv, cmdv, sizeof(tmp_buf), tmp_buf); | |
396 | ||
397 | return 0; | |
398 | } | |
399 | ||
400 | static void install_auto_complete_handler(const char *cmd, | |
401 | int (*complete)(int argc, char *argv[], char last_char, int maxv, char *cmdv[])) | |
402 | { | |
403 | cmd_tbl_t *cmdtp; | |
404 | ||
405 | cmdtp = find_cmd(cmd); | |
406 | if (cmdtp == NULL) | |
407 | return; | |
408 | ||
409 | cmdtp->complete = complete; | |
410 | } | |
411 | ||
412 | void install_auto_complete(void) | |
413 | { | |
414 | install_auto_complete_handler("printenv", var_complete); | |
415 | install_auto_complete_handler("setenv", var_complete); | |
c3517f91 | 416 | #if defined(CONFIG_CMD_RUN) |
04a85b3b WD |
417 | install_auto_complete_handler("run", var_complete); |
418 | #endif | |
419 | } | |
420 | ||
421 | /*************************************************************************************/ | |
422 | ||
423 | static int complete_cmdv(int argc, char *argv[], char last_char, int maxv, char *cmdv[]) | |
424 | { | |
425 | cmd_tbl_t *cmdtp; | |
426 | const char *p; | |
427 | int len, clen; | |
428 | int n_found = 0; | |
429 | const char *cmd; | |
430 | ||
431 | /* sanity? */ | |
432 | if (maxv < 2) | |
433 | return -2; | |
434 | ||
435 | cmdv[0] = NULL; | |
436 | ||
437 | if (argc == 0) { | |
438 | /* output full list of commands */ | |
439 | for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) { | |
440 | if (n_found >= maxv - 2) { | |
441 | cmdv[n_found++] = "..."; | |
442 | break; | |
443 | } | |
444 | cmdv[n_found++] = cmdtp->name; | |
445 | } | |
446 | cmdv[n_found] = NULL; | |
447 | return n_found; | |
448 | } | |
449 | ||
450 | /* more than one arg or one but the start of the next */ | |
451 | if (argc > 1 || (last_char == '\0' || last_char == ' ' || last_char == '\t')) { | |
452 | cmdtp = find_cmd(argv[0]); | |
453 | if (cmdtp == NULL || cmdtp->complete == NULL) { | |
454 | cmdv[0] = NULL; | |
455 | return 0; | |
456 | } | |
457 | return (*cmdtp->complete)(argc, argv, last_char, maxv, cmdv); | |
458 | } | |
459 | ||
460 | cmd = argv[0]; | |
461 | /* | |
462 | * Some commands allow length modifiers (like "cp.b"); | |
463 | * compare command name only until first dot. | |
464 | */ | |
465 | p = strchr(cmd, '.'); | |
466 | if (p == NULL) | |
467 | len = strlen(cmd); | |
468 | else | |
469 | len = p - cmd; | |
470 | ||
471 | /* return the partial matches */ | |
472 | for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) { | |
473 | ||
474 | clen = strlen(cmdtp->name); | |
475 | if (clen < len) | |
476 | continue; | |
477 | ||
478 | if (memcmp(cmd, cmdtp->name, len) != 0) | |
479 | continue; | |
480 | ||
481 | /* too many! */ | |
482 | if (n_found >= maxv - 2) { | |
483 | cmdv[n_found++] = "..."; | |
484 | break; | |
485 | } | |
486 | ||
487 | cmdv[n_found++] = cmdtp->name; | |
488 | } | |
489 | ||
490 | cmdv[n_found] = NULL; | |
491 | return n_found; | |
492 | } | |
493 | ||
494 | static int make_argv(char *s, int argvsz, char *argv[]) | |
495 | { | |
496 | int argc = 0; | |
497 | ||
498 | /* split into argv */ | |
499 | while (argc < argvsz - 1) { | |
500 | ||
501 | /* skip any white space */ | |
502 | while ((*s == ' ') || (*s == '\t')) | |
503 | ++s; | |
504 | ||
53677ef1 | 505 | if (*s == '\0') /* end of s, no more args */ |
04a85b3b WD |
506 | break; |
507 | ||
508 | argv[argc++] = s; /* begin of argument string */ | |
509 | ||
510 | /* find end of string */ | |
511 | while (*s && (*s != ' ') && (*s != '\t')) | |
512 | ++s; | |
513 | ||
514 | if (*s == '\0') /* end of s, no more args */ | |
515 | break; | |
516 | ||
517 | *s++ = '\0'; /* terminate current arg */ | |
518 | } | |
519 | argv[argc] = NULL; | |
520 | ||
521 | return argc; | |
522 | } | |
523 | ||
524 | static void print_argv(const char *banner, const char *leader, const char *sep, int linemax, char *argv[]) | |
525 | { | |
526 | int ll = leader != NULL ? strlen(leader) : 0; | |
527 | int sl = sep != NULL ? strlen(sep) : 0; | |
528 | int len, i; | |
529 | ||
530 | if (banner) { | |
531 | puts("\n"); | |
532 | puts(banner); | |
533 | } | |
534 | ||
535 | i = linemax; /* force leader and newline */ | |
536 | while (*argv != NULL) { | |
537 | len = strlen(*argv) + sl; | |
538 | if (i + len >= linemax) { | |
539 | puts("\n"); | |
540 | if (leader) | |
541 | puts(leader); | |
542 | i = ll - sl; | |
543 | } else if (sep) | |
544 | puts(sep); | |
545 | puts(*argv++); | |
546 | i += len; | |
547 | } | |
548 | printf("\n"); | |
549 | } | |
550 | ||
551 | static int find_common_prefix(char *argv[]) | |
552 | { | |
553 | int i, len; | |
554 | char *anchor, *s, *t; | |
555 | ||
556 | if (*argv == NULL) | |
557 | return 0; | |
558 | ||
559 | /* begin with max */ | |
560 | anchor = *argv++; | |
561 | len = strlen(anchor); | |
562 | while ((t = *argv++) != NULL) { | |
563 | s = anchor; | |
564 | for (i = 0; i < len; i++, t++, s++) { | |
565 | if (*t != *s) | |
566 | break; | |
567 | } | |
568 | len = s - anchor; | |
569 | } | |
570 | return len; | |
571 | } | |
572 | ||
6d0f6bcf | 573 | static char tmp_buf[CONFIG_SYS_CBSIZE]; /* copy of console I/O buffer */ |
04a85b3b WD |
574 | |
575 | int cmd_auto_complete(const char *const prompt, char *buf, int *np, int *colp) | |
576 | { | |
577 | int n = *np, col = *colp; | |
6d0f6bcf | 578 | char *argv[CONFIG_SYS_MAXARGS + 1]; /* NULL terminated */ |
04a85b3b WD |
579 | char *cmdv[20]; |
580 | char *s, *t; | |
581 | const char *sep; | |
582 | int i, j, k, len, seplen, argc; | |
583 | int cnt; | |
584 | char last_char; | |
585 | ||
6d0f6bcf | 586 | if (strcmp(prompt, CONFIG_SYS_PROMPT) != 0) |
04a85b3b WD |
587 | return 0; /* not in normal console */ |
588 | ||
589 | cnt = strlen(buf); | |
590 | if (cnt >= 1) | |
591 | last_char = buf[cnt - 1]; | |
592 | else | |
593 | last_char = '\0'; | |
594 | ||
595 | /* copy to secondary buffer which will be affected */ | |
596 | strcpy(tmp_buf, buf); | |
597 | ||
598 | /* separate into argv */ | |
599 | argc = make_argv(tmp_buf, sizeof(argv)/sizeof(argv[0]), argv); | |
600 | ||
601 | /* do the completion and return the possible completions */ | |
602 | i = complete_cmdv(argc, argv, last_char, sizeof(cmdv)/sizeof(cmdv[0]), cmdv); | |
603 | ||
604 | /* no match; bell and out */ | |
605 | if (i == 0) { | |
606 | if (argc > 1) /* allow tab for non command */ | |
607 | return 0; | |
608 | putc('\a'); | |
609 | return 1; | |
610 | } | |
611 | ||
612 | s = NULL; | |
613 | len = 0; | |
614 | sep = NULL; | |
615 | seplen = 0; | |
616 | if (i == 1) { /* one match; perfect */ | |
617 | k = strlen(argv[argc - 1]); | |
618 | s = cmdv[0] + k; | |
619 | len = strlen(s); | |
620 | sep = " "; | |
621 | seplen = 1; | |
622 | } else if (i > 1 && (j = find_common_prefix(cmdv)) != 0) { /* more */ | |
623 | k = strlen(argv[argc - 1]); | |
624 | j -= k; | |
625 | if (j > 0) { | |
626 | s = cmdv[0] + k; | |
627 | len = j; | |
628 | } | |
629 | } | |
630 | ||
631 | if (s != NULL) { | |
632 | k = len + seplen; | |
633 | /* make sure it fits */ | |
6d0f6bcf | 634 | if (n + k >= CONFIG_SYS_CBSIZE - 2) { |
04a85b3b WD |
635 | putc('\a'); |
636 | return 1; | |
637 | } | |
638 | ||
639 | t = buf + cnt; | |
640 | for (i = 0; i < len; i++) | |
641 | *t++ = *s++; | |
642 | if (sep != NULL) | |
643 | for (i = 0; i < seplen; i++) | |
644 | *t++ = sep[i]; | |
645 | *t = '\0'; | |
646 | n += k; | |
647 | col += k; | |
648 | puts(t - k); | |
649 | if (sep == NULL) | |
650 | putc('\a'); | |
651 | *np = n; | |
652 | *colp = col; | |
653 | } else { | |
654 | print_argv(NULL, " ", " ", 78, cmdv); | |
655 | ||
656 | puts(prompt); | |
657 | puts(buf); | |
658 | } | |
659 | return 1; | |
660 | } | |
661 | ||
662 | #endif | |
8a40fb14 JCPV |
663 | |
664 | #ifdef CMD_DATA_SIZE | |
665 | int cmd_get_data_size(char* arg, int default_size) | |
666 | { | |
667 | /* Check for a size specification .b, .w or .l. | |
668 | */ | |
669 | int len = strlen(arg); | |
670 | if (len > 2 && arg[len-2] == '.') { | |
671 | switch(arg[len-1]) { | |
672 | case 'b': | |
673 | return 1; | |
674 | case 'w': | |
675 | return 2; | |
676 | case 'l': | |
677 | return 4; | |
678 | case 's': | |
679 | return -2; | |
680 | default: | |
681 | return -1; | |
682 | } | |
683 | } | |
684 | return default_size; | |
685 | } | |
686 | #endif |